Plasma Membrane Structure and Function Flashcard

Plasma Membrane Structure and Function Flashcard

Assessment

Flashcard

Biology

Professional Development

Practice Problem

Hard

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30 questions

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1.

FLASHCARD QUESTION

Front

What is the primary function of the plasma membrane?

Back

It separates the cell from its surroundings and is selectively permeable.

2.

FLASHCARD QUESTION

Front

What does it mean when a plasma membrane is described as "selectively permeable"?

Back

It allows some substances to cross more easily than others.

3.

FLASHCARD QUESTION

Front

Components primarily found in plasma membranes?

Back

Amphipathic lipids, proteins, and some carbohydrates

4.

FLASHCARD QUESTION

Front

Amphipathic (in the context of membrane lipids)

Back

Having both hydrophobic and hydrophilic regions

5.

FLASHCARD QUESTION

Front

Analogy for protein movement in the fluid mosaic model: Cars on a highway, Icebergs floating in the sea, Birds flying in the sky, Trees rooted in the ground.

Back

Icebergs floating in the sea

6.

FLASHCARD QUESTION

Front

How does an increase in temperature affect the fluidity of membranes?

Back

It makes the membrane more fluid.

7.

FLASHCARD QUESTION

Front

How do unsaturated fatty acid tails affect membrane fluidity?

Back

They make the membrane more fluid

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